package com.gocoolmall.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;
//编写校验器

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer>{
    private Set<Integer>  set  = new HashSet<>();
    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] values = constraintAnnotation.value();
        for (int  value : values){
            set.add(value);
        }
    }
    //判断是否校验成功
    //value 需要校验的值
    //context
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
